Mid Level Java Engineer

Wallee Group is a leader in delivering advanced payment solutions focusing on providing robust scalable and secure systems across multiple domains. We are dedicated to enhancing customer experiences by offering innovative payment and finance systems that support businesses in growing efficiently. Our operations span across multiple countries and we thrive on collaboration and agility using frameworks like Scrum to organize teams. At Wallee we aim to stay at the forefront of market trends continuously innovating to provide the best services to our customers.

We are recruiting for our office in Vilnius and are looking for our new team member to join us on January 4 2027.

Key responsibilities

• Design develop and maintain integrations for our payment systems and local acquiring platforms.
• Write clean maintainable and well-documented code in collaboration with your team of engineers.
• Debug troubleshoot and resolve technical issues. Participate in operational work when needed.
• Work with frameworks like Spring and Hibernate to build and maintain our systems.
• Contribute to performance enhancements and scalability.
• Collaborate with cross-functional teams to implement new features and solutions.
• Perform code reviews design reviews architecture reviews.
• Build business knowledge around the payment industry and Wallee specific products.
• Boost your productivity using available AI tools.

Qualifications

We seek someone curious eager to grow and active in contributing to our team. You must have:

• At least 3 years of proven working experience in Java development.
• A Bachelors degree or Masters Degree in Computer Science Software Engineering or a related field (or relevant experience).
• Good knowledge of Java programming and object-oriented principles.
• Experience with SQL and relational databases (e.g. PostgreSQL MySQL).
• A good knowledge of version control systems like Git.
• A good knowledge of build tools like Maven or Gradle.
• A good knowledge of Spring and JPA.
• A good understanding of REST APIs.
• Strong problem-solving skills and attention to detail.
• Good communication skills in English (written and spoken).
• Serious responsible and autonomous.
• Sociable and easy to work with.

Bonus points

While not required the following skills and experiences would make you stand out:

• Knowledge of microservices architecture.
• Knowledge of DDD principles.
• Experience with front end technologies (HTML CSS JavaScript Typescript React).
• Knowledge of containerisation tools like Docker and Kubernetes.
• Experience with testing frameworks such as Playwright.
• Interest in secure coding practices and payment technologies.

What we offer

• Modern Workspace: A beautiful office in the heart of Vilnius - comfortable bright and collaboration-ready.
• True Flexibility: We embrace a hybrid way of working with 3 days per week in our office to foster collaboration complemented by flexible daily hours and a 4-week Work from Anywhere policy every year.
• Innovation First: We work with the latest tech stacks in a flat hierarchy where your voice actually matters.
• Growth & Culture: Competitive compensation in the range ofgross/month depending on experience seniority and technical expertise personal development budgets and a social calendar filled with events.
• The Perks: Fresh fruits snacks and high-quality coffee to keep you fueled.

Dont tick every box Neither do most great hires. If the role feels right reach out wed love to see if were a match.